1144 Fifteenth

5th tallest finished building in Denver

1144 Fifteenth is an office building in Denver, with 42 floors, finished in 2018. It stands 183.6 m (602 ft) tall, which makes it the 5th tallest finished building in Denver.

Height

183.6 m · 602 ft

Rank in Denver

5th of 25 listed

Floors

42

Completed

2018

Use

Office

City

Denver, USA

Next to it in the ranking

• 3rd · Wells Fargo Center212.8 m · 698 ft · 1983
• 4th · Four Seasons Hotel Denver194.8 m · 639 ft · 2010
• 6th · 1999 Broadway165.8 m · 544 ft · 1985
• 7th · 707 17th Street159.1 m · 522 ft · 1981

See all of Denver's tallest buildings

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Heights, floors and years for finished buildings follow published figures, cross-checked with Wikipedia's list of tallest buildings in Denver. Last checked 2 Nov 2026.